As lawyer with over two decades of professional experience in advising on public commercial law and representing the legal interests of global companies, governments and state institutions in major public sector projects with high public impact.

As specialist lawyer for public procurement law, for administrative law and for medical law comprehensive industry expertise in the fields of pharmaceuticals and healthcare, infrastructure and transportation as well as defense and security with a focus on supporting bidders in public procurement and litigation in public procurement review proceedings.

As honorary professor and lecturer at Goethe University Frankfurt am Main over a decade of teaching and examination experience in the university key area of constitution, administration and regulation with regular courses focusing on the methodological connection between dogmatic principles and case-oriented application of norms with practice-relevant problem reference.

As editor of several standard works on public procurement law and health law and as author and speaker of more than 300 legal publications and lectures on public law topics with a focus on public procurement law and health law issues directly involved in the development of the law in these areas.

As leading name in public procurement respectively health law recommended by JUVE, Chambers, Legal 500, Who's Who Legal, Wirtschaftswoche and others for over a decade and as lawyer of the year in the area of public commercial law, pharmaceutical law and health law recognized by Handelsblatt and Best Lawyers.

As deputy chairman of the specialist lawyers' committee for public procurement law at the Berlin Bar Association and as member of the industry and legal associations forum vergabe e.V., Arbeitsgemeinschaft Vergaberecht im Deutscher Anwaltverein e.V., Pharma Deutschland e.V. and Gesellschaft für Umweltrecht e.V. participating in practical discussions, specialist training and voluntary professional legal administration.